[Jackaudio] Disconnection Problems between Linux&Windows

[Stefan Rinass]

Sry, 903 MBit/sec Transfer Speed , not Gbit :-)



Am 19.02.2020 um 12:10 schrieb Stefan Rinass:
> Hi,
>
> i hope this is the right place regarding my question..
>
> I have problems with a Netjack connection between two Machines 
> whenever, as it seems, a certain amount
> of channels are being added and i cannot figure out the cause.
>
> Machine 1 runs Ubuntu Eean and Ardour 5 on a I3-3210 with 4 GB RAM and 
> a huge swap (just to avoid running out of memory)
> Machine 2 runs W7 on a i5-4570, 8GB of RAM with Jack Netdriver 
> (1.9.11)  and a rather old Version of FL Studio, using Jack Netrouter 
> as audio Device, unsing onboard Audio
>
> Jack Netdriver on the Windows side is so configured that it offers 2 
> capture channels and 32 Playback channels in Async mode.
> Jack on the Server side (Ubuntu) runs in RT (also tried non-RT) 
> 2048/2, 44.1 KHz
>
> Link between both is 1 GBit/sec. Afaik bow cards are idenitified as 
> RTL8169.
>
> First problem:
> - transferring more than two audio channels simultaneously usually 
> leds into "stutter" on Ardour.
>
> Second Problem:
> -transferring Audio over more than 10 Channels kills JackD immediate 
> on the server side. Log is on the end of this mail.
>
> Done an iperf(3) between both machines shows no sign of Packet loss  
> (TCP and UDP), Transfer speed is about 903 GBit/sec. Ping is between 
> 0.2 and 0.3 msec
>
> Tried with different MTU´s on both sides between 1500 and 9000, before 
> i replaced my old Slave machine with the I3 it sometimes helped to 
> switch between 1500-900-1500 while Playback of the Slave machine to 
> get rid of the stutter.
>
> I also recompiled JackD on the master machine from 1.9.12 to 1.9.14 
> with additional DBUS-support, but it doesn´t make any difference.
>
> Firewalls are off while testing. also killed Pulseaudio.
>
>
> Tried to turn off anything which has to do with Speedstepping, set 
> with cpufreqd everything to "performance", no success at all. Even 
> fillding around with sync, async, different Buffer sizes, periods-  no 
> chance.
> Yes, according to the log i recognize the missing data packets, but 
> have no clue what could be the cause - Jack itsef, the Jack Netdriver 
> on the Windows side....
>
>
>
> Before Ardour connects to Jackd, i also get a lot of 
> "ProcessGrapMasterASync"-Errors....and sometimes in between.
>
>
> Any help would be greatly appreciated, because i run out of ideas....
>
> Best regards
> Stef
>
>
> Logs:
> //
> ....<lots of missing Data packets>...
>
> Wed Feb 19 10:48:31 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:31 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:32 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> 10:48:32.602 XRUN callback (16 übersprungen).
> Wed Feb 19 10:48:32 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:32 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:32 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:32 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:32 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:32 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:32 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:33 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:33 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> 10:48:33.176 Schaubild der JACK-Verbindungen geändert.
> 10:48:34.104 Schaubild der JACK-Verbindungen geändert.
> Wed Feb 19 10:48:33 2020: Disconnecting 'bla2-PC-01:from_slave_7' from 
> 'ardour:OBXDLR/audio_in 1'
> Wed Feb 19 10:48:33 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:33 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:33 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:33 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:33 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:33 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:33 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:34 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:34 2020: Disconnecting 'bla2-PC-01:from_slave_8' from 
> 'ardour:OBXDLR/audio_in 2'
> 10:48:34.615 XRUN callback (13 übersprungen).
> 10:48:34.940 Schaubild der JACK-Verbindungen geändert.
> Wed Feb 19 10:48:34 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:34 2020: Connecting 'bla2-PC-01:from_slave_4' to 
> 'ardour:OBXDLR/audio_in 1'
> Wed Feb 19 10:48:35 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> 10:48:35.660 Schaubild der JACK-Verbindungen geändert.
> 10:48:35.789 Benachrichtigung zum Herunterfahren.
> 10:48:35.808 Client deaktiviert.
> 10:48:35.811 D-BUS: JACK-Server wurde angehalten 
> (org.jackaudio.service aka jackdbus).
> Cannot read socket fd = 25 err = Erfolg
> CheckRes error
> JackSocketClientChannel read fail
> Server is not running
> Server is not running
> Wed Feb 19 10:48:35 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:35 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:35 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:35 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:35 2020: Connecting 'bla2-PC-01:from_slave_5' to 
> 'ardour:OBXDLR/audio_in 2'
> Wed Feb 19 10:48:35 2020: NetMaster : missing last data packet from 
> 'bla2-PC'
> Wed Feb 19 10:48:35 2020: ERROR: Segmentation Fault!
> Wed Feb 19 10:48:35 2020: ERROR: info.si_signo = 11
> Wed Feb 19 10:48:35 2020: ERROR: info.si_errno = 0
> Wed Feb 19 10:48:35 2020: ERROR: info.si_code  = 1 (SEGV_MAPERR)
> Wed Feb 19 10:48:35 2020: ERROR: info.si_addr  = 0x7f458dace558
> Wed Feb 19 10:48:35 2020: ERROR: reg[00]       = 0x0000000040800000
> Wed Feb 19 10:48:35 2020: ERROR: reg[01]       = 0x0000000000000000
> Wed Feb 19 10:48:35 2020: ERROR: reg[02]       = 0x0000000000000000
> Wed Feb 19 10:48:35 2020: ERROR: reg[03]       = 0x0000000000000246
> Wed Feb 19 10:48:35 2020: ERROR: reg[04]       = 0x00007f47eb77d704
> Wed Feb 19 10:48:35 2020: ERROR: reg[05]       = 0x00007f47eb03f66f
> Wed Feb 19 10:48:35 2020: ERROR: reg[06]       = 0x00007f47eb03f720
> Wed Feb 19 10:48:35 2020: ERROR: reg[07]       = 0x00007f47eaf3df40
> Wed Feb 19 10:48:35 2020: ERROR: reg[08]       = 0x00007f47d4010b10
> Wed Feb 19 10:48:35 2020: ERROR: reg[09]       = 0x00007f47d400d48c
> Wed Feb 19 10:48:35 2020: ERROR: reg[10]       = 0x00007f47eaf3dc60
> Wed Feb 19 10:48:35 2020: ERROR: reg[11]       = 0x00007f47d400c6c0
> Wed Feb 19 10:48:35 2020: ERROR: reg[12]       = 0xfffffffdb9abd9e8
> Wed Feb 19 10:48:35 2020: ERROR: reg[13]       = 0x00007f458dace558
> Wed Feb 19 10:48:35 2020: ERROR: reg[14]       = 0x0000000000000000
> Wed Feb 19 10:48:35 2020: ERROR: reg[15]       = 0x00007f47eaf3dc40
> Wed Feb 19 10:48:35 2020: ERROR: reg[16]       = 0x00007f47ec18ceab
> Wed Feb 19 10:48:35 2020: ERROR: reg[17]       = 0x0000000000010203
> Wed Feb 19 10:48:35 2020: ERROR: reg[18]       = 0x002b000000000033
> Wed Feb 19 10:48:35 2020: ERROR: reg[19]       = 0x0000000000000004
> Wed Feb 19 10:48:35 2020: ERROR: reg[20]       = 0x000000000000000e
> Wed Feb 19 10:48:35 2020: ERROR: reg[21]       = 0x0000000000005a07
> Wed Feb 19 10:48:35 2020: ERROR: reg[22]       = 0x00007f458dace558
> Wed Feb 19 10:48:35 2020: ERROR: Stack trace:
> Wed Feb 19 10:48:35 2020: ERROR:  1: 0x7f47ec18ceab 
> <Jack::NetFloatAudioBuffer::RenderFromNetwork(char*, int, int)+47> 
> (/usr/local/lib/libjackserver.so.0)
> Wed Feb 19 10:48:35 2020: ERROR:  2: 0x7f47ec18cdad 
> <Jack::NetFloatAudioBuffer::RenderFromNetwork(int, int, unsigned 
> int)+153> (/usr/local/lib/libjackserver.so.0)
> Wed Feb 19 10:48:35 2020: ERROR:  3: 0x7f47ec18fe3f 
> <Jack::JackNetInterface::AudioRecv(Jack::_packet_header*, 
> Jack::NetAudioBuffer*)+205> (/usr/local/lib/libjackserver.so.0)
> Wed Feb 19 10:48:35 2020: ERROR:  4: 0x7f47ec190e37 
> <Jack::JackNetMasterInterface::DataRecv()+275> 
> (/usr/local/lib/libjackserver.so.0)
> Wed Feb 19 10:48:35 2020: ERROR:  5: 0x7f47eb77dbd5 
> <(null)+3950500821> (/usr/local/lib/jack/netmanager.so)
> Wed Feb 19 10:48:35 2020: ERROR:  6: 0x7f47eb77d724 
> <(null)+3950499620> (/usr/local/lib/jack/netmanager.so)
> Wed Feb 19 10:48:35 2020: ERROR:  7: 0x7f47ec14778f 
> <Jack::JackClient::CallProcessCallback()+85> 
> (/usr/local/lib/libjackserver.so.0)
> Wed Feb 19 10:48:35 2020: ERROR:  8: 0x7f47ec14768a 
> <Jack::JackClient::ExecuteThread()+40> (/usr/local/lib/libjackserver.so.0)
> Wed Feb 19 10:48:35 2020: ERROR:  9: 0x7f47ec144c87 
> <Jack::JackClient::Execute()+85> (/usr/local/lib/libjackserver.so.0)
> Wed Feb 19 10:48:35 2020: ERROR:  10: 0x7f47ec1670e8 
> <Jack::JackPosixThread::ThreadHandler(void*)+252> 
> (/usr/local/lib/libjackserver.so.0)
> Wed Feb 19 10:48:35 2020: ERROR: End of stack trace
>
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